<!DOCTYPE html>
<html>
<head>
	<meta charset="UTF-8">
	<title>19_事件切换</title>
</head>
<style type="text/css">
	* {
		margin: 0px;
	}
	.div1 {
		position: absolute;
		width: 200px;
		height: 200px;
		top: 50px;
		left: 10px;
		background: olive;
	}
	.div2 {
		position: absolute;
		width: 100px;
		height: 100px;
		top: 50px;
		background: red;
	}
	.div3 {
		position: absolute;
		width: 200px;
		height: 200px;
		top: 50px;
		left: 230px;
		background: olive;
	}
	.div4 {
		position: absolute;
		width: 100px;
		height: 100px;
		top: 50px;
		background: yellow;
	}

	.divText{
		position: absolute;
		top: 330px;
		left: 10px;
	}

</style>
<body>

<div class="divText">
	区分鼠标的事件
</div>

<div class="div1">
	div1.....
	<div class="div2">div2....</div>
</div>

<div class="div3">
	div3.....
	<div class="div4">div4....</div>
</div>
<!--
区别mouseover与mouseenter?
	* mouseover: 在移入子元素时也会触发, 对应mouseout
	* mouseenter: 只在移入当前元素时才触发, 对应mouseleave
								hover()使用的就是mouseenter()和mouseleave()
区别on('eventName', fun)与eventName(fun)
	* on('eventName', fun): 通用, 但编码麻烦
	* eventName(fun): 编码简单, 但有的事件没有对应的方法
-->
<script src="js/jquery-1.10.1.js" type="text/javascript"></script>
<script type="text/javascript">
	$('.div1')
		.mouseover(function () {
			console.log('mouseover 进入')
		})
		.mouseout(function () {
			console.log('mouseout 离开')
		})

	$('.div3')
		.mouseenter(function () {
			console.log('mouseenter 进入')
		})
		.mouseleave(function () {
			console.log('mouseleave 离开')
		})

</script>
</body>
</html>
